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What is PCB baking? | POE
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What is PCB baking?

PCB baking refers to the process of heating the PCB at a specific temperature in an industrial oven. The goal is to remove moisture from the inside of the PCB. PCB baking will affect the subsequent assembly quality.
What is PCB baking?
23 December 2024
Views: 24
PCB baking refers to the process of heating the PCB at a specific temperature in an industrial oven. The goal is to remove moisture from the inside of the PCB. PCB baking will affect the subsequent assembly quality.

Why does the PCB need to be baked?
PCB materials easily absorb moisture from the environment. If this moisture is not removed before welding or assembly, it may cause PCB delamination, cracks, welding defects and other problems.

When is the PCB baking needed?
Not all PCBs need to be baked. It depends on the storage conditions. PCBs stored in a humid environment need to be baked. PCBs for medical equipment, aerospace systems or military equipment must be baked because of more stringent standards. Others include FR4 materials that are more likely to absorb moisture than other materials.

How to bake the PCB?
The baking process is actually very simple. It can be completed by baking in an oven at a temperature of 100°C to 125°C for 2 to 24 hours.

Conclusion
PCB baking plays a great role in reducing the subsequent hidden dangers and quality of electronic equipment. By removing moisture from the PCB, PCB delamination, cracks, welding defects and other problems can be avoided.
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